Storing your coins requires you get a good wallet and keeping your keys safe and secured. This is one of the most important things that many newbies continues to fail at. There are many kinds of wallet, but you would need to find that which suits your need. Avoid any centralized form of storing coins as they literally aren't your keys.
Before you invest in bitcoin, you are suppose to have some basic knowledge about bitcoin, you should know what bitcoin is all about, and how you going to protect your bitcoin, know the appropriate place to purchase your bitcoin, and appropriate place where you going to store your bitcoin, and how you going to secure your seed phrase.
If you are planning to invest in bitcoin, then you should have the mindset to hold for long period of them, so you should make sure your investment is properly secured. Just imagine that after holding bitcoin for years, and you end up being scammed, or you end up losing access to your bitcoin, it’s really going to be painful.
When investing, we should just take exchange as a market, where you will be able to buy your bitcoin, but never store your bitcoin on exchange, make sure you get a non custodial wallet, and store your bitcoin there, make sure you are in full control of your money, make sure your funds is not controlled by anyone. Also make sure you properly secure your seed phrase, anyone that has access to your seed phrase can send out all the coin in your wallet without informing you.